Home / 84,938.40-127,422.90-34,991.19

Finding the Fourth Proportional to 84,938.40, 127,422.90 and 34,991.19

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Solution

The fourth proportional to 84,938.40, 127,422.90 and 34,991.19 is: 52,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,938.40 : 127,422.90 = 34,991.19 : x
  2. Step 2: Convert to fraction form
    84,938.40/127,422.90 = 34,991.19/x
  3. Step 3: Cross multiply
    84,938.40x = 127,422.90 × 34,991.19
  4. Step 4: Simplify right side
    84,938.40x = 4,458,678,904.25
  5. Step 5: Solve for x
    x = 4,458,678,904.25/84,938.40
  6. Step 6: Final answer
    x = 52,493.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.